The last one is grammatically correct
This is a compound sentence because you can break it into two sentences.
Hope this helps
I'm not sure about all of them, but I think that most of them are right.
a) ewe/yew
b) beach/beech
c) led/lead
d) key/quay
e) plain/plane
f) pain/pane
the answer is (A)! idioms mean <span>a group of words established by usage as having a meaning not deducible from those of the individual words</span>
The answer to this is b. make.